Business Intelligence Reporting solution can develop reports of varying requirements from Nowadays from operation to BI due to pervasive nature of BI to Exit at level of Transaction processing System TPS at Knowledge level, to Office Automation system OAS at lowest operational level where operational reports about daily status is gerally used from ERP. Typical hierarchy of Information systems from Decision Support system at top to lowest Office automation system.
Customising Cognos Authentication mechanism for integration is first step see details